Finding the Fourth Proportional to 2,077.79, 2,864.72 and 1,745.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.79 : 2,864.72 = 1,745.48 : x
2. Step 2: Convert to fraction form
   2,077.79/2,864.72 = 1,745.48/x
3. Step 3: Cross multiply
   2,077.79x = 2,864.72 × 1,745.48
4. Step 4: Simplify right side
   2,077.79x = 5,000,322.99
5. Step 5: Solve for x
   x = 5,000,322.99/2,077.79
6. Step 6: Final answer
   x = 2,406.56